Home / 219,908.16-329,437.68-131,232.60

Finding the Fourth Proportional to 219,908.16, 329,437.68 and 131,232.60

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Solution

The fourth proportional to 219,908.16, 329,437.68 and 131,232.60 is: 196,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,908.16 : 329,437.68 = 131,232.60 : x
  2. Step 2: Convert to fraction form
    219,908.16/329,437.68 = 131,232.60/x
  3. Step 3: Cross multiply
    219,908.16x = 329,437.68 × 131,232.60
  4. Step 4: Simplify right side
    219,908.16x = 43,232,963,284.37
  5. Step 5: Solve for x
    x = 43,232,963,284.37/219,908.16
  6. Step 6: Final answer
    x = 196,595.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.